#settings-panel {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  background: rgba(6, 3, 16, 0.88);
  border: 1px solid rgba(130, 100, 220, 0.28);
  border-radius: 8px;
  padding: 14px 18px;
  color: rgba(210, 200, 255, 0.82);
  font-family: monospace;
  font-size: 12px;
  backdrop-filter: blur(10px);
  min-width: 210px;
  user-select: none;
}

#settings-panel.sp-hidden {
  display: none;
}

.sp-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(150, 120, 255, 0.55);
  margin-bottom: 12px;
}

#sp-close {
  background: none;
  border: none;
  color: rgba(150, 120, 255, 0.45);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  margin-left: 8px;
}

#sp-close:hover {
  color: rgba(200, 170, 255, 0.85);
}

.sp-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 9px;
  cursor: default;
}

.sp-row:last-child { margin-bottom: 0; }

.sp-row > span {
  flex: 1;
  white-space: nowrap;
}

.sp-row em {
  font-style: normal;
  color: rgba(160, 130, 255, 0.75);
  margin-left: 4px;
}

.sp-row input[type="range"] {
  width: 88px;
  accent-color: rgb(120, 90, 210);
  cursor: pointer;
}

.sp-row input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: rgb(120, 90, 210);
  cursor: pointer;
}